<template>
  <div class="topic_article_container">
    <div class="sequence-nav" v-if="show === 'recommend'">
      <a
        @click="sortContent('time'), (change = 'new')"
        :class="{ active: change === 'new' }"
        >最新更新&nbsp;&nbsp;·</a
      >
      <a @click="change = 'hot'" :class="{ active: change === 'hot' }"
        >热门排序&nbsp;&nbsp;·</a
      >
      <a
        @click="sortContent('concern'), (change = 'new')"
        :class="{ active: change === 'concern' }"
        >关注度排序</a
      >
    </div>
    <ul>
      <li v-for="content in topic">
        <a href="" class="topic_article_img"><img :src="content.img"/></a>
        <div class="topic_content">
          <h5>{{ content.title }}</h5>
          <p>{{ content.par }}</p>
          <div class="topic_button">
            <a href="#"
              ><i class="fa fa-fw fa-plus"></i><span>添加关注</span></a
            >
          </div>
          <p>
            <a href="#" style="color:#4094c7">{{ content.number }}篇文章</a>
            &nbsp;&nbsp;·&nbsp;&nbsp;{{ content.concern }}k人关注
            <span class="topic_tag"
              ><i class="fa fa-tags"></i>{{ content.keys }}</span
            >
          </p>
        </div>
      </li>
    </ul>
  </div>
</template>
<script>
import { mapState } from "vuex";

export default {
  data() {
    let change = "hot";
    return { change };
  },
  computed: mapState({
    topic: state => {
      return state.Topic.topics;
    },
    show: state => state.Topic.show
  }),
  method: {
    sortContent: function() {
      this.$store.dispatch("sortContent");
    }
  }
};
</script>
<style scoped>
img {
  max-width: 100%;
  width: auto\9;
  height: auto;
  vertical-align: middle;
  border: 0;
  -ms-interpolation-mode: bicubic;
}
.topic_article_container {
  width: calc(100% - 35px);
  height: calc(100% - 180px);
  margin: 15px 0 0 35px;
}
.topic_article_container li {
  padding: 15px 0 10px 0;
  border-bottom: 1px dashed #d9d9d9;
}
.topic_article_img {
  float: left;
  width: 40px;
  height: 40px;
  border-radius: 50%;
}
.ttopic_article_img:after {
  display: block;
  clear: both;
  height: 0;
  content: "";
  visibility: hidden;
}
.topic_article_img img {
  width: 100%;
  height: 100%;
  border: 2px solid white;
  box-sizing: border-box;
  border-radius: 50%;
}
.topic_content {
  position: relative;
  margin-left: 55px;
}
.topic_content h5 {
  text-align: left;
  margin-bottom: 3px;
}
.topic_content p {
  text-align: left;
  margin-bottom: 3px;
  line-height: 20px;
  color: #999999;
  font-size: 12px;
  padding-right: 120px;
}
.topic_button {
  position: absolute;
  right: 0;
  top: 50%;
  width: 80px;
  height: 20px;
  padding: 2px 10px;
  margin-top: -13px;
  border: 1px solid #49be38;
  border-radius: 50px;
  background-color: #49be38;
}
.topic_button a {
  display: block;
  line-height: 20px;
  width: 80px;
  color: #ffffff;
  text-align: center;
}
.topic_button span {
  margin-left: 3px;
  padding-left: 7px;
  border-left: 1px solid #ffffff;
}
.topic_tag {
  margin-left: 10px;
}
.sequence-nav {
  margin-bottom: 10px;
  color: #999999;
  text-align: left;
}
.sequence-nav .active {
  color: #000000;
}
</style>
